CGD923,112

Product Overview

• Category: Electronic Component
• Use: Amplifier Circuit
• Characteristics: High Gain, Low Noise
• Package: TO-92
• Essence: NPN Transistor
• Packaging/Quantity: Bulk Packaging, 1000 units per pack

Specifications

• Type: NPN
• Maximum Collector Current (Ic): 500mA
• Maximum Collector-Emitter Voltage (Vceo): 30V
• Maximum Power Dissipation (Pd): 625mW
• Transition Frequency (ft): 300MHz
• Collector-Base Voltage (Vcb): 60V
• Emitter-Base Voltage (Veb): 5V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The CGD923,112 transistor has three pins:

1. Collector (C)
2. Base (B)
3. Emitter (E)

Functional Features

• High gain amplification of weak signals.
• Low noise performance for improved signal quality.
• Suitable for small-signal applications.
• Compact TO-92 package for easy integration.

Advantages and Disadvantages

Advantages

• High gain allows for amplification of weak signals.
• Low noise performance ensures signal integrity.
• Small package size enables space-saving designs.
• Wide operating temperature range for versatile applications.

Disadvantages

• Limited maximum collector current may restrict use in high-power applications.
• Lower power dissipation compared to some alternative models.

Working Principles

The CGD923,112 is an NPN transistor that operates based on the principles of bipolar junction transistors (BJTs). It consists of three layers of semiconductor material - the emitter, base, and collector. By applying a small current to the base terminal, the transistor allows a larger current to flow between the collector and emitter terminals. This amplification of current makes it suitable for use in various electronic circuits.

Detailed Application Field Plans

The CGD923,112 transistor finds applications in various fields, including:

1. Audio Amplifiers: Due to its high gain and low noise characteristics, it is commonly used in audio amplifier circuits to amplify weak audio signals.
2. Radio Frequency (RF) Circuits: The transistor's transition frequency of 300MHz makes it suitable for RF applications such as radio receivers and transmitters.
3. Oscillators: It can be utilized in oscillator circuits to generate stable oscillations at specific frequencies.
4. Signal Processing: The transistor can be employed in signal processing circuits to enhance and manipulate signals.

Detailed and Complete Alternative Models

• BC547
• 2N3904
• PN2222
• MPSA18
• 2SC945

These alternative models offer similar functionality and can be used as substitutes for the CGD923,112 transistor in various applications.

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